-/** @file
- Serial I/O Port library functions with no library constructor/destructor
-
-
- Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>
-
- This program and the accompanying materials
- are licensed and made available under the terms and conditions of the BSD License
- which accompanies this distribution. The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-**/
-
-#include <Include/Uefi.h>
-#include <Library/SerialPortLib.h>
-#include <Library/IoLib.h>
-#include <Drivers/PL011Uart.h>
-#include <ArmPlatform.h>
-
-/*
-
- Programmed hardware of Serial port.
-
- @return Always return EFI_UNSUPPORTED.
-
-**/
-RETURN_STATUS
-EFIAPI
-SerialPortInitialize (
- VOID
- )
-{
- if (PL011_CONSOLE_UART_SPEED == 115200) {
- // Initialize baud rate generator
- MmioWrite32 (PL011_CONSOLE_UART_BASE + UARTIBRD, UART_115200_IDIV);
- MmioWrite32 (PL011_CONSOLE_UART_BASE + UARTFBRD, UART_115200_FDIV);
- } else if (PL011_CONSOLE_UART_SPEED == 38400) {
- // Initialize baud rate generator
- MmioWrite32 (PL011_CONSOLE_UART_BASE + UARTIBRD, UART_38400_IDIV);
- MmioWrite32 (PL011_CONSOLE_UART_BASE + UARTFBRD, UART_38400_FDIV);
- } else if (PL011_CONSOLE_UART_SPEED == 19200) {
- // Initialize baud rate generator
- MmioWrite32 (PL011_CONSOLE_UART_BASE + UARTIBRD, UART_19200_IDIV);
- MmioWrite32 (PL011_CONSOLE_UART_BASE + UARTFBRD, UART_19200_FDIV);
- } else {
- return EFI_INVALID_PARAMETER;
- }
-
- // No parity, 1 stop, no fifo, 8 data bits
- MmioWrite32 (PL011_CONSOLE_UART_BASE + UARTLCR_H, 0x60);
-
- // Clear any pending errors
- MmioWrite32 (PL011_CONSOLE_UART_BASE + UARTECR, 0);
-
- // enable tx, rx, and uart overall
- MmioWrite32 (PL011_CONSOLE_UART_BASE + UARTCR, 0x301);
-
- return EFI_SUCCESS;
-}
-
-/**
- Write data to serial device.
-
- @param Buffer Point of data buffer which need to be writed.
- @param NumberOfBytes Number of output bytes which are cached in Buffer.
-
- @retval 0 Write data failed.
- @retval !0 Actual number of bytes writed to serial device.
-
-**/
-UINTN
-EFIAPI
-SerialPortWrite (
- IN UINT8 *Buffer,
- IN UINTN NumberOfBytes
-)
-{
- UINTN Count;
-
- for (Count = 0; Count < NumberOfBytes; Count++, Buffer++) {
- while ((MmioRead32 (PL011_CONSOLE_UART_BASE + UARTFR) & UART_TX_EMPTY_FLAG_MASK) == 0);
- MmioWrite8 (PL011_CONSOLE_UART_BASE + UARTDR, *Buffer);
- }
-
- return NumberOfBytes;
-}
-
-/**
- Read data from serial device and save the datas in buffer.
-
- @param Buffer Point of data buffer which need to be writed.
- @param NumberOfBytes Number of output bytes which are cached in Buffer.
-
- @retval 0 Read data failed.
- @retval !0 Aactual number of bytes read from serial device.
-
-**/
-UINTN
-EFIAPI
-SerialPortRead (
- OUT UINT8 *Buffer,
- IN UINTN NumberOfBytes
-)
-{
- UINTN Count;
-
- for (Count = 0; Count < NumberOfBytes; Count++, Buffer++) {
- while ((MmioRead32 (PL011_CONSOLE_UART_BASE + UARTFR) & UART_RX_EMPTY_FLAG_MASK) != 0);
- *Buffer = MmioRead8 (PL011_CONSOLE_UART_BASE + UARTDR);
- }
-
- return NumberOfBytes;
-}
-
-/**
- Check to see if any data is avaiable to be read from the debug device.
-
- @retval EFI_SUCCESS At least one byte of data is avaiable to be read
- @retval EFI_NOT_READY No data is avaiable to be read
- @retval EFI_DEVICE_ERROR The serial device is not functioning properly
-
-**/
-BOOLEAN
-EFIAPI
-SerialPortPoll (
- VOID
- )
-{
- return ((MmioRead32 (PL011_CONSOLE_UART_BASE + UARTFR) & UART_RX_EMPTY_FLAG_MASK) == 0);
-}
+/** @file\r
+ Serial I/O Port library functions with no library constructor/destructor\r
+\r
+ Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>\r
+ Copyright (c) 2012, ARM Ltd. All rights reserved.<BR>\r
+ \r
+ This program and the accompanying materials\r
+ are licensed and made available under the terms and conditions of the BSD License\r
+ which accompanies this distribution. The full text of the license may be found at\r
+ http://opensource.org/licenses/bsd-license.php\r
+\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+#include <Base.h>\r
+\r
+#include <Library/IoLib.h>\r
+#include <Library/PcdLib.h>\r
+#include <Library/SerialPortLib.h>\r
+#include <Library/SerialPortExtLib.h>\r
+\r
+#include <Drivers/PL011Uart.h>\r
+\r
+\r
+/**\r
+\r
+ Programmed hardware of Serial port.\r
+\r
+ @return Always return RETURN_UNSUPPORTED.\r
+\r
+**/\r
+RETURN_STATUS\r
+EFIAPI\r
+SerialPortInitialize (\r
+ VOID\r
+ )\r
+{\r
+ return PL011UartInitializePort (\r
+ (UINTN)PcdGet64 (PcdSerialRegisterBase),\r
+ (UINTN)PcdGet64 (PcdUartDefaultBaudRate),\r
+ 0, // Use the default value for Fifo depth\r
+ (EFI_PARITY_TYPE)PcdGet8 (PcdUartDefaultParity),\r
+ PcdGet8 (PcdUartDefaultDataBits),\r
+ (EFI_STOP_BITS_TYPE) PcdGet8 (PcdUartDefaultStopBits));\r
+}\r
+\r
+/**\r
+ Write data to serial device.\r
+\r
+ @param Buffer Point of data buffer which need to be written.\r
+ @param NumberOfBytes Number of output bytes which are cached in Buffer.\r
+\r
+ @retval 0 Write data failed.\r
+ @retval !0 Actual number of bytes written to serial device.\r
+\r
+**/\r
+UINTN\r
+EFIAPI\r
+SerialPortWrite (\r
+ IN UINT8 *Buffer,\r
+ IN UINTN NumberOfBytes\r
+ )\r
+{\r
+ return PL011UartWrite ((UINTN)PcdGet64 (PcdSerialRegisterBase), Buffer, NumberOfBytes);\r
+}\r
+\r
+/**\r
+ Read data from serial device and save the data in buffer.\r
+\r
+ @param Buffer Point of data buffer which need to be written.\r
+ @param NumberOfBytes Number of output bytes which are cached in Buffer.\r
+\r
+ @retval 0 Read data failed.\r
+ @retval !0 Actual number of bytes read from serial device.\r
+\r
+**/\r
+UINTN\r
+EFIAPI\r
+SerialPortRead (\r
+ OUT UINT8 *Buffer,\r
+ IN UINTN NumberOfBytes\r
+)\r
+{\r
+ return PL011UartRead ((UINTN)PcdGet64 (PcdSerialRegisterBase), Buffer, NumberOfBytes);\r
+}\r
+\r
+/**\r
+ Check to see if any data is available to be read from the debug device.\r
+\r
+ @retval EFI_SUCCESS At least one byte of data is available to be read\r
+ @retval EFI_NOT_READY No data is available to be read\r
+ @retval EFI_DEVICE_ERROR The serial device is not functioning properly\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+SerialPortPoll (\r
+ VOID\r
+ )\r
+{\r
+ return PL011UartPoll ((UINTN)PcdGet64 (PcdSerialRegisterBase));\r
+}\r
+\r